For completeness, the effect of varying the last outstanding parameter, \(L_{max}\) , on the region of nonlinear instability is depicted in Figure REF .
Contrary to the observations of [1]}, which indicated that lowering \(L_{max}\)  has a destabilizing role in the elastically-dominated regime (cf. their Figure 13), here we see that the nonlinearly-unstable region shrinks with decreasing \(L_{max}\) .
This suppressing effect is in line with past observations of the impact of finite extensibility , e.g. see the linear analyses in [2]}, [3]} or even Figure 16 of [1]}.
It should be noted that, in our experience, solution branches became difficult to extract at lower \(L_{max}\) , with convergence issues appearing along upper branches.
In fact, we can only reliably obtain upper branches for \(L_{max}>150\) , but lower branches remain accessible due to their lower resolution requirements (see appendix ).
